KR20170001366U - Safety cover for the ladder scaffolding corner - Google Patents

Abstract

The present invention relates to a ladder pedestal edge safety cover which is firmly fixed to a corner of a ladder pedestal by an interference fit method and which is convenient to manufacture a ladder, A cover body formed to have the same shape as the partial shape; And a fastening protrusion formed on one side of the cover body so as to be caught by the back surface of the foot plate. The fastening protrusion and the coupling protrusion are coupled to an edge portion of the foot plate by using a fastening protrusion without using riveting, It is possible to simplify the process and shorten the manufacturing time. Moreover, since the worker who does not have the same strength as the female worker can easily join to the edge of the foot plate, the work process becomes very easy.

Description

{Safety cover for the ladder scaffolding corner}

The present invention relates to a safety cover for a ladder footboard edge, and more particularly, to a safety cover for a ladder footboard edge which is firmly fixed to a corner of a ladder footboard in a forced fit manner and is easy to manufacture.

Generally, the structure of the ladder is such that a plurality of scaffolds are installed at regular intervals in two frames arranged at regular intervals, or a frame is arranged at an intermediate position between two frames arranged at regular intervals A ladder having a plurality of foot plates arranged at regular intervals or a plurality of foot plates arranged at regular intervals in four frames arranged at regular intervals, And a ladder combined to make it possible.

In addition, the above-mentioned ladder is supported by the upper and lower ends of the wall surface and the bottom surface, respectively, so that the worker can work on a raised floor by stepping on the foot of the ladder.

1, a plurality of vertical panels 2 are positioned in a state in which they are spaced apart from each other by a predetermined distance, and a foot plate 3 on which an operator steps on the ladder 1 is placed on one side of the vertical panel 2 Is fixed by welding, and the edge portion of the foot plate (3) fixed by the welding is sharpened.

The edge of the foot plate 3 is formed in a sharp manner because the foot plate 3 is cut into a certain length through a cutting device and thus the corner portion of the foot plate 3 is formed in a sharp manner.

A rivet hole 4 is formed at a corner of the foot plate 3 in order to prevent the worker from hitting the sharpened edge and the rivet 7 is inserted in a state where the cover 5 is covered with the portion where the rivet hole 4 is formed And is inserted into the cover hole (6) and the rivet hole (3).

Since the riveting operation in which the cover 5 is positioned at the edge of the foot plate where the rivet hole 4 is formed as described above is difficult for the worker who does not have the strength to work, the work is performed through the men, There is a problem that the labor cost is increased and the riveting operation is troublesome.

Open Patent Publication No. 10-2011-080354 (published on July 13, 2011)

In order to solve the problems described above, the present invention provides a method of covering a sharp-formed portion of an edge of a foot plate provided on a front surface of a plurality of vertical panels using a force fitting method to prevent an operator from being injured at an edge The purpose of the ladder footplate corner safety cover is to provide.

According to an aspect of the present invention, there is provided a ladder foot guard edge safety cover, comprising: a cover body formed in the same shape as a corner of a foot plate provided on a front surface of a vertical panel of a ladder; And a fastening protrusion formed on one side of the cover body so as to be hooked on the back surface of the footrest.

The cover body of the present invention has a corner of a foot plate having an engaging hole formed to be open at a lower side and a side face so as to cover the front and side faces of the foot plate, Is formed.

The cover body of the present invention further includes a coupling protrusion coupled to the rivet hole formed in the foot plate.

The present invention is advantageous in that the manufacturing process is simplified and the manufacturing time is shortened because the present invention is combined with the edge portion of the foot plate by using the fastening protrusions and the coupling protrusions without using riveting as in the prior art.

In addition, the present invention has the effect of making the work process very easy since the worker such as the female worker can easily join the foot edge.

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is an exploded perspective view showing a configuration of a conventional ladder foot pedestal edge cover. Fig.
2 is a perspective view showing a safety cover of a ladder footboard edge according to the present invention.
3 is a cross-sectional view showing a configuration of a ladder foot pedestal safety cover according to the present invention.
4 is a perspective view showing a state where a ladder foot guard edge safety cover according to the present invention is installed on a ladder.
FIG. 5 is a sectional view showing the main part of the ladder foot guard edge safety cover according to the present invention in a state where it is installed on the foot edge of the ladder. FIG.

The present invention is capable of various modifications and various embodiments, and specific embodiments are illustrated in the drawings and described in detail.

It is to be understood, however, that the appended claims are not intended to limit the invention to the particular embodiments, and that all changes, equivalents, and alternatives falling within the spirit and scope of the invention.

Like reference numerals are used for similar elements in describing each drawing. The terms first, second, etc. may be used to describe various components, but the components are not limited by the terms. The terms are used only for the purpose of distinguishing one component from another.

For example, the term "and / or" includes any combination of a plurality of related listed items or any of a plurality of related listed items.

Unless otherwise defined, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

Terms such as those defined in commonly used dictionaries are to be interpreted as having a meaning consistent with the meaning in the context of the relevant art and are to be construed as ideal or overly formal in meaning unless explicitly defined in the present application Should not.

It is to be understood that the specific terminology used herein is for the purpose of promoting an understanding of the present invention and that the use of such specific terminology may be changed to other forms without departing from the technical idea of the present invention.

Hereinafter, the construction of the ladder foot guard edge safety cover according to the present invention will be described in detail with reference to the accompanying drawings.

FIG. 2 is a perspective view of a ladder foot guard edge safety cover according to the present invention, FIG. 3 is a cross-sectional view showing the configuration of a ladder foot guard edge safety cover according to the present invention, FIG. 4 is a cross- Fig. 5 is a sectional view showing the main portion of the ladder foot guard edge safety cover according to the present invention in a state where it is installed on the foot edge of the ladder.

2 to 5, the ladder foot guard edge safety cover 100 according to the present invention includes a cover body 110, a fastening protrusion 120, and a coupling protrusion 130.

The cover body 110 is formed to have a corner shape (reference trapezoid shape in FIG. 1) of the foot plate 3 so as to be coupled to the foot plate 3 so as to surround the corner of the foot plate 3, And a coupling hole 111 is formed in such a manner that the trapezoidal rear surface and the side surface are opened.

In the cover body 110, an extension 112 is formed on the trapezoidal side surface so as to cover the welded portion between the vertical panel 2 and the foot plate 3.

The cover body 110 is formed along the oblique direction when the vertical panel 2 of the ladder 1 is formed in a diagonal direction slightly widened toward the side.

That is, the cover body 110 is formed in a diagonal direction because the vertical panel 2 is slightly bent at a predetermined position, so that the cover body 110 is formed to have a slope in an oblique direction, 2 and to be positioned equally in the longitudinal direction of the vertical panel 2. [

The fastening protrusions 120 are formed on one side of the extension part 112 where the coupling holes 111 are formed so as to be hooked on the back surface of the foot plate 3, And the engaging protrusion 121 is formed.

The fastening protrusion 120 is formed to protrude inward of the coupling hole 111 and the fastening protrusion 121 is positioned on the back surface of the foot plate 3 so that the cover body 110 is brought into close contact with the foot plate 3 So that the coupling is made.

The coupling protrusions 130 are formed on an inner surface of the cover body 110 formed in a trapezoidal shape and the coupling protrusions 130 are formed on one surface of the foot plate 3 when the cover body 110 is engaged with the foot plate 3. [ And the rivet hole 4 formed in the rivet hole 4 is formed.

The cover body 110 of the present invention is not limited to the trapezoidal shape as described above and may be configured differently depending on the shape of the foot plate 3 provided on the side of the vertical panel 2 of the ladder 1. [ .

For example, when the foot plate 3 is formed in a square or circular shape, the shape of the cover body 110 is also formed into a square or circular shape. Such a change in shape can be easily made by a person skilled in the art And will fall within the category of this invention.

The operation of the ladder foot guard edge safety cover constructed as described above will be described.

First, in the process of manufacturing the ladder 1, the vertical panel 2 is formed by cutting a panel as a column to a predetermined length by using a cutting device. The vertical panel (2) can support the weight of the worker climbing the ladder (1) by using a rectangular or diagonal panel as far as possible.

The foot plate 3 is positioned at a predetermined interval on one side of the vertical panel 2 in a state where the cut vertical panels 2 are spaced apart by a predetermined distance and the foot plate 3 placed on one side of the vertical panel 2 3) is fixed by welding.

It is preferable that the rivet hole 4 is first formed on one side of the foot plate 3 and then fixed to the vertical panel 2 before the foot plate 3 is fixed to the vertical panel 2.

The rivet hole 4 is formed in the foot plate 3 and the operator fixes the safety cover 100 to the edge portion of the foot plate 3 and fixes it in a state where the rivet hole 4 is fixed to the vertical panel 2.

In the process of installing the safety cover 100 at the edge of the foot plate 3, firstly, when the operator grips the cover body 110, the edge of the foot plate 3 is inserted into the coupling hole 111, .

The engaging protrusion 130 formed on the inside of the cover body 110 is inserted into the rivet hole 4 formed on the front surface of the foot plate 3 while the edge of the foot plate 3 is drawn into the engaging hole 111. At this time, the fastening protrusion 120 formed on the side surface of the cover body 110 is positioned on the side surface of the foot plate 3.

When the worker applies a force to the fastening protrusion 120 located on the side of the foot plate 3, the worker moves along the side of the foot plate 3 formed to be inclined and the fastening protrusion 121 is positioned on the back side.

The locking protrusions 120 and the locking protrusions 121 are located on the side of the foot plate 3 so that the locking protrusions 120 are positioned on the rear side of the foot plate 3, And it is fixed to the foot plate 3 securely because it is combined with the side and back sides of the foot plate 3 so as to surround them.

As described above, the safety cover 100 coupled to the edge of the foot plate 3 is configured such that the cover body 110 surrounds the edge of the foot plate 3 and the engaging projection 130 is engaged with the rivet hole 4 The side surfaces of the cover body 110 and the engaging protrusions 130 are slightly pulled apart from each other and when the engaging protrusions 120 are caught by the back surface of the foot plate 3, There is an advantage that a slight pulling action is performed and the binding between the members is firmly performed.

Since the safety cover 100 is installed in such a manner as to surround the corner of the foot plate 3, the operator can safely perform the work.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the scope of the invention is not limited to the disclosed exemplary embodiments. It will be understood that various modifications and changes may be made thereto without departing from the scope of the present invention.

1: ladder 2: vertical panel
3: foot plate 4: rivet ball
100: Safety cover 110: Cover body
111: coupling hole 112: extension part
120: fastening protrusion 121: fastening jaw
130: engaging projection

Claims (3)

In the ladder foot guard edge safety cover,
The safety cover (100)
A cover body 110 formed to have the same shape as the edge shape of a foot plate 3 installed on the front surface of the vertical panel 2 of the ladder 1;
A fastening protrusion 120 formed at one side of the cover body 110 so as to be hooked on the back surface of the foot plate 3;
And a ladder foot guard edge safety cover.
The method according to claim 1,
The cover body 110
And has a coupling hole (111) formed so as to be opened at its bottom and one side so as to cover the front and side surfaces of the foot plate (3), and has a corner shape of the foot plate (3)
Characterized in that an extension (112) is formed on the side of the cover body (100) so as to be located on the side of the footrest (3).
The method according to claim 1,
The cover body 110
And a coupling protrusion (130) coupled to the rivet hole (4) formed in the foot plate (3).

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